《Qt5+安装包制作（Qt Installer Framework）》三--installer

超、凢脫俗 2022-09-08 11:43 308阅读 0赞

# installer #

Provides access to **core functionality** of the Qt Installer Framework. [More...][]

*  [List of all members, including inherited members][List of all members_ including inherited members]

## Signals ##

*  **[aboutCalculateComponentsToInstall][]**()
 *  **[aboutCalculateComponentsToUninstall][]**()
 *  **[componentAdded][]**(Component *component*)
 *  **[coreNetworkSettingsChanged][]**()
 *  **[currentPageChanged][]**(int *page*)
 *  **[finishAllComponentsReset][]**(list<Component> *rootComponents*)
 *  **[finishButtonClicked][]**()
 *  **[finishUpdaterComponentsReset][]**(list<Component> *componentsWithUpdates*)
 *  **[finishedCalculateComponentsToInstall][]**()
 *  **[finishedCalculateComponentsToUninstall][]**()
 *  **[installationFinished][]**()
 *  **[installationInterrupted][]**()
 *  **[installationStarted][]**()
 *  **[metaJobInfoMessage][]**(string *message*)
 *  **[metaJobProgress][]**(int *progress*)
 *  **[metaJobTotalProgress][]**(int *progress*)
 *  **[offlineGenerationFinished][]**()
 *  **[offlineGenerationStarted][]**()
 *  **[rootComponentsAdded][]**(list<Component> *components*)
 *  **[setAutomatedPageSwitchEnabled][]**(bool *request*)
 *  **[setValidatorForCustomPageRequested][]**(Component *component*, string *name*, string *callbackName*)
 *  **[startAllComponentsReset][]**()
 *  **[startUpdaterComponentsReset][]**()
 *  **[statusChanged][]**(Status *status*)
 *  **[titleMessageChanged][]**(string *title*)
 *  **[uninstallationFinished][]**()
 *  **[uninstallationStarted][]**()
 *  **[updateFinished][]**()
 *  **[updaterComponentsAdded][]**(list<Component> *components*)
 *  **[valueChanged][]**(string *key*, string *value*)
 *  **[wizardPageInsertionRequested][]**(Widget *widget*, WizardPage *page*)
 *  **[wizardPageRemovalRequested][]**(Widget *widget*)
 *  **[wizardPageVisibilityChangeRequested][]**(bool *visible*, int *page*)
 *  **[wizardWidgetInsertionRequested][]**(Widget *widget*, WizardPage *page*, int *position*)
 *  **[wizardWidgetRemovalRequested][]**(Widget *widget*)

## Methods ##

*  void **[addUserRepositories][]**(stringlist *repositories*)
 *  boolean **[addWizardPage][]**(Component *component*, string *name*, int *page*)
 *  boolean **[addWizardPageItem][]**(Component *component*, string *name*, int *page*, int *position*)
 *  stringlist **[allowedRunningProcesses][]**()
 *  void **[autoAcceptMessageBoxes][]**()
 *  void **[autoRejectMessageBoxes][]**()
 *  boolean **[calculateComponentsToInstall][]**()
 *  boolean **[calculateComponentsToUninstall][]**()
 *  void **[cancelMetaInfoJob][]**()
 *  void **[clearComponentsToInstallCalculated][]**()
 *  array **[components][]**(string *regexp*)
 *  void **[componentsToInstallNeedsRecalculation][]**()
 *  boolean **[containsFileDialogAutomaticAnswer][]**(string *identifier*)
 *  boolean **[containsValue][]**(string *key*)
 *  void **[deselectComponent][]**(string *id*)
 *  void **[dropAdminRights][]**()
 *  string **[environmentVariable][]**(string *name*)
 *  array **[execute][]**(string *program*, stringlist *arguments*, string *stdin*, string *stdinCodec*, string *stdoutCodec*)
 *  boolean **[executeDetached][]**(string *program*, stringlist *arguments*, string *workingDirectory*)
 *  boolean **[fileExists][]**(string *filePath*)
 *  string **[findLibrary][]**(string *name*, stringlist *paths*)
 *  string **[findPath][]**(string *name*, stringlist *paths*)
 *  **boolean [gainAdminRights][]()**
 *  void **[interrupt][]**()
 *  boolean **[isCommandLineDefaultInstall][]**()
 *  boolean **[isCommandLineInstance][]**()
 *  boolean **[isFileExtensionRegistered][]**(string *extension*)
 *  boolean **[isInstaller][]**()
 *  boolean **[isOfflineGenerator][]**()
 *  boolean **[isOfflineOnly][]**()
 *  boolean **[isPackageManager][]**()
 *  boolean **[isProcessRunning][]**(string *name*)
 *  boolean **[isUninstaller][]**()
 *  boolean **[isUpdater][]**()
 *  boolean **[isUserSetBinaryMarker][]**()
 *  string **[key][]**(string *value*)
 *  boolean **[killProcess][]**(string *absoluteFilePath*)
 *  void **[languageChanged][]**()
 *  boolean **[localInstallerBinaryUsed][]**()
 *  boolean **[performOperation][]**(string *name*, stringlist *arguments*)
 *  string **[readConsoleLine][]**(string *title*, int *maxlen*)
 *  string **[readFile][]**(string *filePath*, string *codecName*)
 *  void **[removeFileDialogAutomaticAnswer][]**(string *identifier*)
 *  boolean **[removeWizardPage][]**(Component *component*, string *name*)
 *  boolean **[removeWizardPageItem][]**(Component *component*, string *name*)
 *  float **[requiredDiskSpace][]**()
 *  float **[requiredTemporaryDiskSpace][]**()
 *  boolean **[runInstaller][]**()
 *  boolean **[runOfflineGenerator][]**()
 *  boolean **[runPackageUpdater][]**()
 *  boolean **[runUninstaller][]**()
 *  void **[selectComponent][]**(string *id*)
 *  void **[setAllowedRunningProcesses][]**(stringlist *processes*)
 *  void **[setAutoAcceptLicenses][]**()
 *  void **[setCanceled][]**()
 *  void **[setCompleteUninstallation][]**(bool *complete*)
 *  boolean **[setDefaultPageVisible][]**(int *page*, boolean *visible*)
 *  void **[setDependsOnLocalInstallerBinary][]**()
 *  void **[setFileDialogAutomaticAnswer][]**(string *identifier*, string *value*)
 *  void **[setInstaller][]**()
 *  void **[setInstallerBaseBinary][]**(string *path*)
 *  void **[setMessageBoxAutomaticAnswer][]**(string *identifier*, int *button*)
 *  void **[setPackageManager][]**()
 *  void **[setSharedFlag][]**(string *key*, boolean *value*)
 *  void **[setTemporaryRepositories][]**(stringlist *repositories*, boolean *replace*)
 *  void **[setUninstaller][]**()
 *  void **[setUpdater][]**()
 *  void **[setValidatorForCustomPage][]**(Component *component*, string *name*, string *callbackName*)
 *  void **[setValue][]**(string *key*, string *value*)
 *  boolean **[sharedFlag][]**(string *key*)
 *  string **[value][]**(string *key*, string *defaultValue*)
 *  stringlist **[values][]**(string *key*, stringlist *defaultValue*)
 *  boolean **[versionMatches][]**(string *version*, string *requirement*)

## Detailed Description ##

## Signal Documentation ##

<table> 
 <tbody> 
  <tr> 
   <td> <p>aboutCalculateComponentsToInstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted before the ordered list of components to install is calculated.

**Note: **The corresponding handler is `onAboutCalculateComponentsToInstall`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>aboutCalculateComponentsToUninstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted before the ordered list of components to uninstall is calculated.

**Note: **The corresponding handler is `onAboutCalculateComponentsToUninstall`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>componentAdded(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a new root component is added.

**Note: **The corresponding handler is `onComponentAdded`.

**See also **[rootComponentsAdded()][rootComponentsAdded] and [updaterComponentsAdded()][updaterComponentsAdded].

<table> 
 <tbody> 
  <tr> 
   <td> <p>coreNetworkSettingsChanged()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the network settings are changed.

**Note: **The corresponding handler is `onCoreNetworkSettingsChanged`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>currentPageChanged(<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>page</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the current page changes.

**Note: **The corresponding handler is `onCurrentPageChanged`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>finishAllComponentsReset(<a href="http://doc.qt.io/qt-5/qml-list.html" rel="nofollow">list</a>&lt;<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&gt;&nbsp;<em>rootComponents</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when the list of new root components has been updated.

**Note: **The corresponding handler is `onFinishAllComponentsReset`.

**See also **[startAllComponentsReset()][startAllComponentsReset].

<table> 
 <tbody> 
  <tr> 
   <td> <p>finishButtonClicked()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the user clicks the **Finish** button of the installer.

**Note: **The corresponding handler is `onFinishButtonClicked`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>finishUpdaterComponentsReset(<a href="http://doc.qt.io/qt-5/qml-list.html" rel="nofollow">list</a>&lt;<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&gt;&nbsp;<em>componentsWithUpdates</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when the list of available remote updates has been updated.

**Note: **The corresponding handler is `onFinishUpdaterComponentsReset`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>finishedCalculateComponentsToInstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted after the ordered list of components to install was calculated.

**Note: **The corresponding handler is `onFinishedCalculateComponentsToInstall`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>finishedCalculateComponentsToUninstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted after the ordered list of components to uninstall was calculated.

**Note: **The corresponding handler is `onFinishedCalculateComponentsToUninstall`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>installationFinished()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when installation has finished.

**Note: **The corresponding handler is `onInstallationFinished`.

**See also **[installationStarted()][installationStarted] and [installationInterrupted()][installationInterrupted].

<table> 
 <tbody> 
  <tr> 
   <td> <p>installationInterrupted()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when installation has been interrupted (cancelled).

**Note: **The corresponding handler is `onInstallationInterrupted`.

**See also **[interrupt()][interrupt], [installationStarted()][installationStarted], and [installationFinished()][installationFinished].

<table> 
 <tbody> 
  <tr> 
   <td> <p>installationStarted()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when installation has started.

**Note: **The corresponding handler is `onInstallationStarted`.

**See also **[installationFinished()][installationFinished] and [installationInterrupted()][installationInterrupted].

<table> 
 <tbody> 
  <tr> 
   <td> <p>metaJobInfoMessage(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>message</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered with informative updates of the communication with a remote repository.

**Note: **The corresponding handler is `onMetaJobInfoMessage`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>metaJobProgress(<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>progress</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered with progress updates of the communication with a remote repository. Progress ranges from 0 to 100.

**Note: **The corresponding handler is `onMetaJobProgress`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>metaJobTotalProgress(<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>progress</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when total progress value of the communication with a remote repository changes.

**Note: **The corresponding handler is `onMetaJobTotalProgress`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>offlineGenerationFinished()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when offline installer generation has finished.

**Note: **The corresponding handler is `onOfflineGenerationFinished`.

**See also **[offlineGenerationStarted()][offlineGenerationStarted].

<table> 
 <tbody> 
  <tr> 
   <td> <p>offlineGenerationStarted()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when offline installer generation has started.

**Note: **The corresponding handler is `onOfflineGenerationStarted`.

**See also **[offlineGenerationFinished()][offlineGenerationFinished].

<table> 
 <tbody> 
  <tr> 
   <td> <p>rootComponentsAdded(<a href="http://doc.qt.io/qt-5/qml-list.html" rel="nofollow">list</a>&lt;<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&gt;&nbsp;<em>components</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a new list of root components is added.

**Note: **The corresponding handler is `onRootComponentsAdded`.

**See also **[componentAdded()][componentAdded] and [updaterComponentsAdded()][updaterComponentsAdded].

<table> 
 <tbody> 
  <tr> 
   <td> <p>setAutomatedPageSwitchEnabled(<a href="http://doc.qt.io/qt-5/qml-bool.html" rel="nofollow">bool</a>&nbsp;<em>request</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when the automatic switching from PerformInstallation to InstallationFinished page is enabled (*request* = `true`) or disabled (*request* = `false`).

The automatic switching is disabled automatically when for example the user expands or unexpands the **Details** section of the PerformInstallation page.

**Note: **The corresponding handler is `onSetAutomatedPageSwitchEnabled`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>setValidatorForCustomPageRequested(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>callbackName</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when [setValidatorForCustomPage][] is called.

**Note: **The corresponding handler is `onSetValidatorForCustomPageRequested`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>startAllComponentsReset()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when the list of components starts to get updated.

**Note: **The corresponding handler is `onStartAllComponentsReset`.

**See also **[finishAllComponentsReset()][finishAllComponentsReset].

<table> 
 <tbody> 
  <tr> 
   <td> <p>startUpdaterComponentsReset()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when components start to get updated during a remote update.

**Note: **The corresponding handler is `onStartUpdaterComponentsReset`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>statusChanged(Status&nbsp;<em>status</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the installer status changes.

**Note: **The corresponding handler is `onStatusChanged`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>titleMessageChanged(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>title</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the text of the installer status (on the PerformInstallation page) changes to *title*.

**Note: **The corresponding handler is `onTitleMessageChanged`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>uninstallationFinished()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when uninstallation has finished.

**Note: **The corresponding handler is `onUninstallationFinished`.

**See also **[uninstallationStarted()][uninstallationStarted].

<table> 
 <tbody> 
  <tr> 
   <td> <p>uninstallationStarted()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when uninstallation has started.

**Note: **The corresponding handler is `onUninstallationStarted`.

**See also **[uninstallationFinished()][uninstallationFinished].

<table> 
 <tbody> 
  <tr> 
   <td> <p>updateFinished()</p> </td> 
  </tr> 
 </tbody> 
</table>

Triggered when an update has finished.

**Note: **The corresponding handler is `onUpdateFinished`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>updaterComponentsAdded(<a href="http://doc.qt.io/qt-5/qml-list.html" rel="nofollow">list</a>&lt;<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&gt;&nbsp;<em>components</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a new list of updater components is added.

**Note: **The corresponding handler is `onUpdaterComponentsAdded`.

**See also **[componentAdded()][componentAdded] and [rootComponentsAdded()][rootComponentsAdded].

<table> 
 <tbody> 
  <tr> 
   <td> <p>valueChanged(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>value</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a value changes.

**Note: **The corresponding handler is `onValueChanged`.

**See also **[setValue()][setValue].

<table> 
 <tbody> 
  <tr> 
   <td> <p>wizardPageInsertionRequested(Widget&nbsp;<em>widget</em>,&nbsp;WizardPage&nbsp;<em>page</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a custom *widget* is about to be inserted into *page* by [addWizardPage][].

**Note: **The corresponding handler is `onWizardPageInsertionRequested`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>wizardPageRemovalRequested(Widget&nbsp;<em>widget</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a *widget* is removed by [removeWizardPage][].

**Note: **The corresponding handler is `onWizardPageRemovalRequested`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>wizardPageVisibilityChangeRequested(<a href="http://doc.qt.io/qt-5/qml-bool.html" rel="nofollow">bool</a>&nbsp;<em>visible</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>page</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when the visibility of the page with id *page* changes to *visible*.

**Note: **The corresponding handler is `onWizardPageVisibilityChangeRequested`.

**See also **[setDefaultPageVisible()][setDefaultPageVisible].

<table> 
 <tbody> 
  <tr> 
   <td> <p>wizardWidgetInsertionRequested(Widget&nbsp;<em>widget</em>,&nbsp;WizardPage&nbsp;<em>page</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>position</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a *widget* is inserted into *page* by [addWizardPageItem][] ordered by *position*.

**Note: **The corresponding handler is `onWizardWidgetInsertionRequested`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>wizardWidgetRemovalRequested(Widget&nbsp;<em>widget</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Emitted when a *widget* is removed by [removeWizardPageItem][].

**Note: **The corresponding handler is `onWizardWidgetRemovalRequested`.

## Method Documentation ##

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;addUserRepositories(stringlist&nbsp;<em>repositories</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Registers additional *repositories*.

**See also **[setTemporaryRepositories()][setTemporaryRepositories].

<table> 
 <tbody> 
  <tr> 
   <td> <p><strong><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">boolean&nbsp;addWizardPage(</span></span><a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow"><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">Component</span></span></a><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">&nbsp;</span><em><span style="background-color:#fefcd8;">component</span></em><span style="background-color:#fefcd8;">,&nbsp;</span></span><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow"><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">string</span></span></a><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">&nbsp;</span><em><span style="background-color:#fefcd8;">name</span></em><span style="background-color:#fefcd8;">,&nbsp;</span></span><a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow"><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">int</span></span></a><span style="color:#fe2c24;"><span style="background-color:#fefcd8;">&nbsp;</span><em><span style="background-color:#fefcd8;">page</span></em><span style="background-color:#fefcd8;">)</span></span></strong></p> </td> 
  </tr> 
 </tbody> 
</table>

**Adds the widget with objectName() *name* registered by *component* as a new page into the installer's GUI wizard. The widget is added before *page*.**

**See [Controller Scripting][] for the possible values of *page*.**

**Returns `true` if the operation succeeded.**

**See also **[removeWizardPage()][removeWizardPage] and [setDefaultPageVisible()][setDefaultPageVisible].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;addWizardPageItem(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>page</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>position</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Adds the widget with objectName() *name* registered by *component* as a GUI element into the installer's GUI wizard. The widget is added on *page* ordered by *position*. If several widgets are added to the same page, the widget with lower position number will be inserted on top.

See [Controller Scripting][] for the possible values of *page*.

**See also **[removeWizardPageItem()][removeWizardPageItem] and [wizardWidgetInsertionRequested()][wizardWidgetInsertionRequested].

<table> 
 <tbody> 
  <tr> 
   <td> <p>stringlist&nbsp;allowedRunningProcesses()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns processes that are allowed to run when updating with the maintenance tool.

**See also **[setAllowedRunningProcesses()][setAllowedRunningProcesses].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;autoAcceptMessageBoxes()</p> </td> 
  </tr> 
 </tbody> 
</table>

Automatically accept all user message boxes.

**See also **[autoRejectMessageBoxes()][autoRejectMessageBoxes] and [setMessageBoxAutomaticAnswer()][setMessageBoxAutomaticAnswer].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;autoRejectMessageBoxes()</p> </td> 
  </tr> 
 </tbody> 
</table>

Automatically reject all user message boxes.

**See also **[autoAcceptMessageBoxes()][autoAcceptMessageBoxes] and [setMessageBoxAutomaticAnswer()][setMessageBoxAutomaticAnswer].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;calculateComponentsToInstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Calculates an ordered list of components to install based on the current run mode. Also auto installed dependencies are resolved. The [aboutCalculateComponentsToInstall()][aboutCalculateComponentsToInstall] signal is emitted before the calculation starts, the [finishedCalculateComponentsToInstall()][finishedCalculateComponentsToInstall] signal once all calculations are done.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;calculateComponentsToUninstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Calculates a list of components to uninstall based on the current run mode. Auto installed dependencies are not yet resolved. The [aboutCalculateComponentsToUninstall()][aboutCalculateComponentsToUninstall] signal is emitted before the calculation starts, the [finishedCalculateComponentsToUninstall()][finishedCalculateComponentsToUninstall] signal once all calculations are done. Always returns `true`.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;cancelMetaInfoJob()</p> </td> 
  </tr> 
 </tbody> 
</table>

Cancels the retrieval of meta information from a remote repository.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;clearComponentsToInstallCalculated()</p> </td> 
  </tr> 
 </tbody> 
</table>

Forces a recalculation of components to install.

<table> 
 <tbody> 
  <tr> 
   <td> <p>array&nbsp;components(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>regexp</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns an array of all components currently available. If the repository metadata have not been fetched yet, the array will be empty. Optionally, a *regexp* expression can be used to further filter the listed packages.

**See also **[component][], [finishAllComponentsReset()][finishAllComponentsReset], and [finishUpdaterComponentsReset()][finishUpdaterComponentsReset].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;componentsToInstallNeedsRecalculation()</p> </td> 
  </tr> 
 </tbody> 
</table>

Ensures that component dependencies are re-calculated.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;containsFileDialogAutomaticAnswer(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>identifier</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if [QFileDialog][] with the ID *identifier* has an automatic answer set.

**See also **[setFileDialogAutomaticAnswer()][setFileDialogAutomaticAnswer] and [removeFileDialogAutomaticAnswer()][removeFileDialogAutomaticAnswer].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;containsValue(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the installer contains a value for *key*.

**See also **[value][], [setValue][], and [valueChanged][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;deselectComponent(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>id</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Deselects the component with *id*.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;dropAdminRights()</p> </td> 
  </tr> 
 </tbody> 
</table>

Drops admin rights gained by [gainAdminRights][].

**See also **[gainAdminRights()][gainAdminRights].

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;environmentVariable(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the content of the environment variable *name*. An empty string is returned if the environment variable is not set.

<table> 
 <tbody> 
  <tr> 
   <td> <p>array&nbsp;execute(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>program</em>,&nbsp;stringlist&nbsp;<em>arguments</em>&nbsp;= undefined,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>stdin</em>&nbsp;= "",&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>stdinCodec</em>&nbsp;= "latin1",&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>stdoutCodec</em>&nbsp;= "latin1")</p> </td> 
  </tr> 
 </tbody> 
</table>

Starts the program *program* with the arguments *arguments* in a new process and waits for it to finish.

*stdin* is sent as standard input to the application.

*stdInCodec* is the name of the codec to use for converting the input string into bytes to write to the standard input of the application.

*stdOutCodec* is the name of the codec to use for converting data written by the application to standard output into a string.

Returns an empty array if the program could not be executed, otherwise the output of command as the first item, and the return code as the second.

**Note: **On Unix, the output is just the output to stdout, not to stderr.

**See also **[executeDetached()][executeDetached].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;executeDetached(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>program</em>,&nbsp;stringlist&nbsp;<em>arguments</em>&nbsp;= undefined,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>workingDirectory</em>&nbsp;= "")</p> </td> 
  </tr> 
 </tbody> 
</table>

Starts the program *program* with the arguments *arguments* in a new process, and detaches from it. Returns `true` on success; otherwise returns `false`. If the installer exits, the detached process will continue to live.

**Note: **Arguments that contain spaces are not passed to the process as separate arguments.

**Unix:** The started process will run in its own session and act like a daemon.

**Windows:** Arguments that contain spaces are wrapped in quotes. The started process will run as a regular standalone process.

The process will be started in the directory *workingDirectory*.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;fileExists(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>filePath</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the *filePath* exists; otherwise returns `false`.

**Note: **If the file is a symlink that points to a non existing file, `false` is returned.

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;findLibrary(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;stringlist&nbsp;<em>paths</em>&nbsp;= [])</p> </td> 
  </tr> 
 </tbody> 
</table>

Finds a library named *name* in *paths*. If *paths* is empty, it gets filled with platform dependent default paths. The resulting path is returned.

This method can be used by scripts to check external dependencies.

**See also **[findPath][].

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;findPath(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;stringlist&nbsp;<em>paths</em>&nbsp;= [])</p> </td> 
  </tr> 
 </tbody> 
</table>

Tries to find a file name *name* in one of *paths*. The resulting path is returned.

This method can be used by scripts to check external dependencies.

**See also **[findLibrary][].

<table> 
 <tbody> 
  <tr> 
   <td> <p><strong><span style="background-color:#fefcd8;">boolean&nbsp;gainAdminRights()</span></strong></p> </td> 
  </tr> 
 </tbody> 
</table>

**Tries to gain admin rights. On success, it returns `true`**.

**See also **[dropAdminRights()][dropAdminRights].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;interrupt()</p> </td> 
  </tr> 
 </tbody> 
</table>

Cancels an ongoing installation.

**See also **[installationInterrupted][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isCommandLineDefaultInstall()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if installation is performed with default components.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isCommandLineInstance()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if running as command line instance.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isFileExtensionRegistered(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>extension</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns whether a file extension is already registered in the Windows registry. Returns `false` on all other platforms.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isInstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the application, binary, or executable is executed in installer mode.

**See also **[isUninstaller][], [isUpdater][], and [isPackageManager][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isOfflineGenerator()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the application is executed in offline generation mode.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isOfflineOnly()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if this is an offline-only installer.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isPackageManager()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the the application, binary, or executable is executed in package manager mode.

**See also **[setPackageManager][], [isInstaller][], [isUninstaller][], and [isUpdater][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isProcessRunning(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if a process with *name* is running. On Windows, the comparison is case-insensitive.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isUninstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the the application, binary, or executable is executed in uninstaller mode.

**See also **[setUninstaller][], [isInstaller][], [isUpdater][], and [isPackageManager][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isUpdater()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the the application, binary, or executable is executed in updater mode.

**See also **[setUpdater][], [isInstaller][], [isUninstaller][], and [isPackageManager][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;isUserSetBinaryMarker()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if the magic binary marker has been set by user.

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;key(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>value</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the installer key for *value*. If *value* is not known, empty string is returned.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;killProcess(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>absoluteFilePath</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` if a process with *absoluteFilePath* could be killed or is not running.

**Note: **This is implemented in a semi blocking way (to keep the main thread to paint the UI).

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;languageChanged()</p> </td> 
  </tr> 
 </tbody> 
</table>

Calls languangeChanged on all components.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;localInstallerBinaryUsed()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `false` if the installer is run on Windows, and the installer has been started from a remote file system drive. Otherwise returns `true`.

**See also **[setDependsOnLocalInstallerBinary()][setDependsOnLocalInstallerBinary].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;performOperation(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;stringlist&nbsp;<em>arguments</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Instantly performs the operation *name* with *arguments*.

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;readConsoleLine(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>title</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>maxlen</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Prints *title* to a console and reads console input. Function halts the installer and waits for user input. Function returns a line which user has typed into the console. The maximum allowed line length is set to *maxlen*. If the stream contains lines longer than this, then the line is split after *maxlen* characters. If *maxlen* is 0, the line can be of any length.

**Note: **This function can only be called when installing from a command line instance without GUI.

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;readFile(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>filePath</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>codecName</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the contents of the file *filePath* using the encoding specified by *codecName*. The file is read in the text mode, that is, end-of-line terminators are translated to the local encoding.

**Note: **If the file does not exist or an error occurs while reading the file, an empty string is returned.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;removeFileDialogAutomaticAnswer(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>identifier</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Removes the automatic answer from [QFileDialog][] with the ID *identifier*.

**See also **[setFileDialogAutomaticAnswer()][setFileDialogAutomaticAnswer].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;removeWizardPage(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Removes the widget with objectName() *name* previously added to the installer's wizard by *component*.

Returns `true` if the operation succeeded.

**See also **[addWizardPage()][addWizardPage], [setDefaultPageVisible()][setDefaultPageVisible], and [wizardPageRemovalRequested()][wizardPageRemovalRequested].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;removeWizardPageItem(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Removes the widget with objectName() *name* previously added to the installer's wizard by *component*.

**See also **[addWizardPageItem()][addWizardPageItem].

<table> 
 <tbody> 
  <tr> 
   <td> <p>float&nbsp;requiredDiskSpace()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the additional estimated amount of disk space in bytes required after installation.

**See also **[requiredTemporaryDiskSpace()][requiredTemporaryDiskSpace].

<table> 
 <tbody> 
  <tr> 
   <td> <p>float&nbsp;requiredTemporaryDiskSpace()</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the estimated required disk space during installation in bytes.

**See also **[requiredDiskSpace()][requiredDiskSpace].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;runInstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Runs the installer. Returns `true` on success, `false` otherwise.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;runOfflineGenerator()</p> </td> 
  </tr> 
 </tbody> 
</table>

Runs the offline generator. Returns `true` on success, `false` otherwise.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;runPackageUpdater()</p> </td> 
  </tr> 
 </tbody> 
</table>

Runs the package updater. Returns `true` on success, `false` otherwise.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;runUninstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Runs the uninstaller. Returns `true` on success, `false` otherwise.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;selectComponent(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>id</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Selects the component with *id*.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setAllowedRunningProcesses(stringlist&nbsp;<em>processes</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets additional *processes* that can run when updating with the maintenance tool.

**See also **[allowedRunningProcesses()][allowedRunningProcesses].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setAutoAcceptLicenses()</p> </td> 
  </tr> 
 </tbody> 
</table>

Automatically accepts all license agreements required to install the selected components. This can be used to skip the command line license acceptance query. The names of the accepted individual licenses are still printed to a console.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setCanceled()</p> </td> 
  </tr> 
 </tbody> 
</table>

Cancels the installation.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setCompleteUninstallation(<a href="http://doc.qt.io/qt-5/qml-bool.html" rel="nofollow">bool</a>&nbsp;<em>complete</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets the uninstallation to be *complete*. If *complete* is false, only components deselected by the user will be uninstalled. This option applies only on uninstallation.

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;setDefaultPageVisible(<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>page</em>,&nbsp;boolean&nbsp;<em>visible</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets the visibility of the default page with the ID *page* to *visible*. That is, removes it from or adds it to the wizard. This works only for pages that were in the installer when it was started.

Returns `true`.

**See also **[addWizardPage()][addWizardPage] and [removeWizardPage()][removeWizardPage].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setDependsOnLocalInstallerBinary()</p> </td> 
  </tr> 
 </tbody> 
</table>

Makes sure the installer runs from a local drive. Otherwise the user will get an appropriate error message.

**Note: **This only works on Windows.

**See also **[localInstallerBinaryUsed()][localInstallerBinaryUsed].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setFileDialogAutomaticAnswer(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>identifier</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>value</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Automatically sets the existing directory or filename *value* to [QFileDialog][] with the ID *identifier*.

**See also **[removeFileDialogAutomaticAnswer()][removeFileDialogAutomaticAnswer].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setInstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Forces an installer context.

**See also **[isInstaller][], [setUpdater][], [setUninstaller][], and [setPackageManager][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setInstallerBaseBinary(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>path</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets the `installerbase` binary to use when writing the maintenance tool. Set the path if an update to the binary is available.

If not set, the executable segment of the running installer or uninstaller will be used.

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setMessageBoxAutomaticAnswer(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>identifier</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-int.html" rel="nofollow">int</a>&nbsp;<em>button</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Automatically close the message box with ID *identifier* as if the user had pressed *button*.

This can be used for unattended (automatic) installations.

**See also **[QMessageBox][], [autoAcceptMessageBoxes()][autoAcceptMessageBoxes], and [autoRejectMessageBoxes()][autoRejectMessageBoxes].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setPackageManager()</p> </td> 
  </tr> 
 </tbody> 
</table>

Forces a package manager context.

**See also **[isPackageManager()][isPackageManager].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setSharedFlag(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>,&nbsp;boolean&nbsp;<em>value</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets a shared flag with name *key* to *value*. This is one option to share information between scripts.

Deprecated since 2.0.0. Use [setValue][] instead.

**See also **[sharedFlag()][sharedFlag].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setTemporaryRepositories(stringlist&nbsp;<em>repositories</em>,&nbsp;boolean&nbsp;<em>replace</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets additional *repositories* for this instance of the installer or updater. Will be removed after invoking it again.

**See also **[addUserRepositories()][addUserRepositories].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setUninstaller()</p> </td> 
  </tr> 
 </tbody> 
</table>

Forces an uninstaller context.

**See also **[isUninstaller][], [setUpdater][], [setPackageManager][], and [setInstaller][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setUpdater()</p> </td> 
  </tr> 
 </tbody> 
</table>

Forces an updater context.

**See also **[isUpdater][], [setUninstaller][], [setPackageManager][], and [setInstaller][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setValidatorForCustomPage(<a href="http://doc.qt.io/qt-5/qml-qtqml-component.html" rel="nofollow">Component</a>&nbsp;<em>component</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>name</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>callbackName</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

**See also **[setValidatorForCustomPageRequested()][setValidatorForCustomPageRequested].

<table> 
 <tbody> 
  <tr> 
   <td> <p>void&nbsp;setValue(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>value</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Sets the installer value for *key* to *value*.

**See also **[value][], [containsValue][], and [valueChanged][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;sharedFlag(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns shared flag with name *key*. This is one option to share information between scripts.

Deprecated since 2.0.0. Use [value][] or [values][] instead.

**See also **[setSharedFlag()][setSharedFlag].

<table> 
 <tbody> 
  <tr> 
   <td> <p><a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;value(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>defaultValue</em>&nbsp;= "")</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the installer value for *key*. If *key* is not known to the system, *defaultValue* is returned. Additionally, on Windows, *key* can be a registry key.

**See also **[setValue][], [containsValue][], and [valueChanged][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>stringlist&nbsp;values(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>key</em>,&nbsp;stringlist&nbsp;<em>defaultValue</em>&nbsp;= [])</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns the installer value for *key*. If *key* is not known to the system, *defaultValue* is returned. Additionally, on Windows, *key* can be a registry key.

**See also **[value][].

<table> 
 <tbody> 
  <tr> 
   <td> <p>boolean&nbsp;versionMatches(<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>version</em>,&nbsp;<a href="http://doc.qt.io/qt-5/qml-string.html" rel="nofollow">string</a>&nbsp;<em>requirement</em>)</p> </td> 
  </tr> 
 </tbody> 
</table>

Returns `true` when *version* matches the *requirement*. *requirement* can be a fixed version number or it can be prefixed by the comparators '>', '>=', '<', '<=' and '='.

[More...]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#details
[List of all members_ including inherited members]: https://doc.qt.io/qtinstallerframework/scripting-installer-members.html
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[calculateComponentsToUninstall]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#calculateComponentsToUninstall-method
[cancelMetaInfoJob]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#cancelMetaInfoJob-method
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[components]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#components-method
[componentsToInstallNeedsRecalculation]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#componentsToInstallNeedsRecalculation-method
[containsFileDialogAutomaticAnswer]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#containsFileDialogAutomaticAnswer-method
[containsValue]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#containsValue-method
[deselectComponent]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#deselectComponent-method
[dropAdminRights]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#dropAdminRights-method
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[execute]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#execute-method
[executeDetached]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#executeDetached-method
[fileExists]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#fileExists-method
[findLibrary]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#findLibrary-method
[findPath]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#findPath-method
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[interrupt]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#interrupt-method
[isCommandLineDefaultInstall]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isCommandLineDefaultInstall-method
[isCommandLineInstance]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isCommandLineInstance-method
[isFileExtensionRegistered]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isFileExtensionRegistered-method
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[isOfflineGenerator]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isOfflineGenerator-method
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[isProcessRunning]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isProcessRunning-method
[isUninstaller]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isUninstaller-method
[isUpdater]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isUpdater-method
[isUserSetBinaryMarker]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#isUserSetBinaryMarker-method
[key]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#key-method
[killProcess]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#killProcess-method
[languageChanged]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#languageChanged-method
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[performOperation]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#performOperation-method
[readConsoleLine]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#readConsoleLine-method
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[removeWizardPageItem]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#removeWizardPageItem-method
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[runInstaller]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#runInstaller-method
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[runPackageUpdater]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#runPackageUpdater-method
[runUninstaller]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#runUninstaller-method
[selectComponent]: https://doc.qt.io/qtinstallerframework/scripting-installer.html#selectComponent-method
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